So you want to use your iOS or Android device to charge other smartphones? The Niper bracelet is designed to help you do just that. The bracelet has its own built-in battery. You will be able to connect devices with a mini-USB or lighting port to it. The companion app lets you choose how much batter you want to share and find nearby Niper users.
The developers also have the Niper Mini-Star for those who want to connect multiple devices to charge them simultaneously. You can find out more about this wearable device on Indiegogo.